Table of Contents
When a molecule atom or ion is oxidized?
Oxidation occurs when an atom, molecule, or ion loses one or more electrons in a chemical reaction. When oxidation occurs, the oxidation state of the chemical species increases. Oxidation doesn’t necessarily involve oxygen! Originally, the term was used when oxygen caused electron loss in a reaction.
What happens when a molecule loses an electron?
Oxidation occurs when a molecule loses an electron or increases its oxidation state. When a molecule is oxidized, it loses energy. In contrast, when a molecule is reduced, it gains one or more electrons. As you might have guessed, the molecule gains energy in the process.
Why is the loss of electrons called oxidation?
In the early days of chemistry, oxidation was defined as a gain of oxygen atoms. the Mg was said to be oxidized because it gained an oxygen atom. Eventually, chemists realized that the reaction involved a transfer of electrons from Mg to O .
When a molecule or ion loses an electron during a reaction it is said to have been quizlet?
Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom or ion is increased. The opposite process is called reduction.
When a molecule loses an electron during a chemical reaction the process is called?
The loss of electrons is called oxidation. The gain of electrons is called reduction. Because any loss of electrons by one substance must be accompanied by a gain in electrons by something else, oxidation and reduction always occur together.
Why is it called reduction?
In the early days of chemistry, oxidation was defined as a gain of oxygen atoms, and reduction was a loss of oxygen atoms. The Hg was said to be reduced because it lost an oxygen atom.
What is an ion formed by the loss of an electron called?
A charged atom that results from the gain or loss of an electron is called an ion. What is an ion of a metal formed by electron loss called? cation What is Removing an electron from an atom called?
When does oxidation occur which is the opposite of reduction?
Oxidation Definition . Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom or ion is increased. The opposite process is called reduction, which occurs when there is a gain of electrons or the oxidation state of an atom, molecule, or ion decreases.
What is the definition of oxidation in chemistry?
The modern definition is more general. Oxidation Definition . Oxidation is the loss of electronsduring a reaction by a molecule, atomor ion. Oxidation occurs when the oxidation stateof a molecule, atom or ion is increased.